The author of an annual report is the company or organization. When citing an online annual report, add URL and date of access.
Reference list
Name of organization (year). Title of the annual report. Available from: URL. Accessed date
H&M Group (2020). Sustainability performance report 2020. Available from: https://hmgroup.com/wp-content/uploads/2021/03/HM-Group-Sustainability-Performance-Report-2020.pdf. Accessed 7 May 2021.
KWH Group (2013). KWH annual review 2013. Available from: http://www.kwhgroup.com/English/Annual_report. Accessed 1 July 2014.
In-text citation
H&M Group (2020) has …
Since 2013 the KWH Group has strengthened … (KWH Group 2013, p. 9).